Home / 102,254.14-141,109.59-56,931.13

Finding the Fourth Proportional to 102,254.14, 141,109.59 and 56,931.13

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Solution

The fourth proportional to 102,254.14, 141,109.59 and 56,931.13 is: 78,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,254.14 : 141,109.59 = 56,931.13 : x
  2. Step 2: Convert to fraction form
    102,254.14/141,109.59 = 56,931.13/x
  3. Step 3: Cross multiply
    102,254.14x = 141,109.59 × 56,931.13
  4. Step 4: Simplify right side
    102,254.14x = 8,033,528,412.54
  5. Step 5: Solve for x
    x = 8,033,528,412.54/102,254.14
  6. Step 6: Final answer
    x = 78,564.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.