Home / 129,160.65-193,740.69-35,666.13

Finding the Fourth Proportional to 129,160.65, 193,740.69 and 35,666.13

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Solution

The fourth proportional to 129,160.65, 193,740.69 and 35,666.13 is: 53,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,160.65 : 193,740.69 = 35,666.13 : x
  2. Step 2: Convert to fraction form
    129,160.65/193,740.69 = 35,666.13/x
  3. Step 3: Cross multiply
    129,160.65x = 193,740.69 × 35,666.13
  4. Step 4: Simplify right side
    129,160.65x = 6,909,980,635.83
  5. Step 5: Solve for x
    x = 6,909,980,635.83/129,160.65
  6. Step 6: Final answer
    x = 53,499.12

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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.