Home / 112,535.60-168,803.40-70,545.20

Finding the Fourth Proportional to 112,535.60, 168,803.40 and 70,545.20

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Solution

The fourth proportional to 112,535.60, 168,803.40 and 70,545.20 is: 105,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.60 : 168,803.40 = 70,545.20 : x
  2. Step 2: Convert to fraction form
    112,535.60/168,803.40 = 70,545.20/x
  3. Step 3: Cross multiply
    112,535.60x = 168,803.40 × 70,545.20
  4. Step 4: Simplify right side
    112,535.60x = 11,908,269,613.68
  5. Step 5: Solve for x
    x = 11,908,269,613.68/112,535.60
  6. Step 6: Final answer
    x = 105,817.80

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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.