Home / 435,436.60-653,196.12-169,217.65

Finding the Fourth Proportional to 435,436.60, 653,196.12 and 169,217.65

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Solution

The fourth proportional to 435,436.60, 653,196.12 and 169,217.65 is: 253,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,436.60 : 653,196.12 = 169,217.65 : x
  2. Step 2: Convert to fraction form
    435,436.60/653,196.12 = 169,217.65/x
  3. Step 3: Cross multiply
    435,436.60x = 653,196.12 × 169,217.65
  4. Step 4: Simplify right side
    435,436.60x = 110,532,312,415.52
  5. Step 5: Solve for x
    x = 110,532,312,415.52/435,436.60
  6. Step 6: Final answer
    x = 253,842.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.