Home / 142,572.59-196,547.36-97,192.34

Finding the Fourth Proportional to 142,572.59, 196,547.36 and 97,192.34

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Solution

The fourth proportional to 142,572.59, 196,547.36 and 97,192.34 is: 133,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,572.59 : 196,547.36 = 97,192.34 : x
  2. Step 2: Convert to fraction form
    142,572.59/196,547.36 = 97,192.34/x
  3. Step 3: Cross multiply
    142,572.59x = 196,547.36 × 97,192.34
  4. Step 4: Simplify right side
    142,572.59x = 19,102,896,370.52
  5. Step 5: Solve for x
    x = 19,102,896,370.52/142,572.59
  6. Step 6: Final answer
    x = 133,987.16

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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.