Home / 359,272.79-538,995.76-134,635.18

Finding the Fourth Proportional to 359,272.79, 538,995.76 and 134,635.18

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Solution

The fourth proportional to 359,272.79, 538,995.76 and 134,635.18 is: 201,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,272.79 : 538,995.76 = 134,635.18 : x
  2. Step 2: Convert to fraction form
    359,272.79/538,995.76 = 134,635.18/x
  3. Step 3: Cross multiply
    359,272.79x = 538,995.76 × 134,635.18
  4. Step 4: Simplify right side
    359,272.79x = 72,567,789,482.76
  5. Step 5: Solve for x
    x = 72,567,789,482.76/359,272.79
  6. Step 6: Final answer
    x = 201,985.21

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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.