Home / 169,643.19-234,136.40-98,064.71

Finding the Fourth Proportional to 169,643.19, 234,136.40 and 98,064.71

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Solution

The fourth proportional to 169,643.19, 234,136.40 and 98,064.71 is: 135,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,643.19 : 234,136.40 = 98,064.71 : x
  2. Step 2: Convert to fraction form
    169,643.19/234,136.40 = 98,064.71/x
  3. Step 3: Cross multiply
    169,643.19x = 234,136.40 × 98,064.71
  4. Step 4: Simplify right side
    169,643.19x = 22,960,516,505.44
  5. Step 5: Solve for x
    x = 22,960,516,505.44/169,643.19
  6. Step 6: Final answer
    x = 135,345.94

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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.