Home / 102,526.16-141,486.12-57,814.16

Finding the Fourth Proportional to 102,526.16, 141,486.12 and 57,814.16

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Solution

The fourth proportional to 102,526.16, 141,486.12 and 57,814.16 is: 79,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,526.16 : 141,486.12 = 57,814.16 : x
  2. Step 2: Convert to fraction form
    102,526.16/141,486.12 = 57,814.16/x
  3. Step 3: Cross multiply
    102,526.16x = 141,486.12 × 57,814.16
  4. Step 4: Simplify right side
    102,526.16x = 8,179,901,179.46
  5. Step 5: Solve for x
    x = 8,179,901,179.46/102,526.16
  6. Step 6: Final answer
    x = 79,783.55

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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.