Home / 130,802.13-196,319.85-60,720.93

Finding the Fourth Proportional to 130,802.13, 196,319.85 and 60,720.93

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Solution

The fourth proportional to 130,802.13, 196,319.85 and 60,720.93 is: 91,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,802.13 : 196,319.85 = 60,720.93 : x
  2. Step 2: Convert to fraction form
    130,802.13/196,319.85 = 60,720.93/x
  3. Step 3: Cross multiply
    130,802.13x = 196,319.85 × 60,720.93
  4. Step 4: Simplify right side
    130,802.13x = 11,920,723,869.46
  5. Step 5: Solve for x
    x = 11,920,723,869.46/130,802.13
  6. Step 6: Final answer
    x = 91,135.55

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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.