Home / 435,437.35-653,197.25-169,218.40

Finding the Fourth Proportional to 435,437.35, 653,197.25 and 169,218.40

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Solution

The fourth proportional to 435,437.35, 653,197.25 and 169,218.40 is: 253,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,437.35 : 653,197.25 = 169,218.40 : x
  2. Step 2: Convert to fraction form
    435,437.35/653,197.25 = 169,218.40/x
  3. Step 3: Cross multiply
    435,437.35x = 653,197.25 × 169,218.40
  4. Step 4: Simplify right side
    435,437.35x = 110,532,989,417.32
  5. Step 5: Solve for x
    x = 110,532,989,417.32/435,437.35
  6. Step 6: Final answer
    x = 253,843.61

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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.