Home / 177,643.10-245,140.16-97,073.40

Finding the Fourth Proportional to 177,643.10, 245,140.16 and 97,073.40

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Solution

The fourth proportional to 177,643.10, 245,140.16 and 97,073.40 is: 133,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643.10 : 245,140.16 = 97,073.40 : x
  2. Step 2: Convert to fraction form
    177,643.10/245,140.16 = 97,073.40/x
  3. Step 3: Cross multiply
    177,643.10x = 245,140.16 × 97,073.40
  4. Step 4: Simplify right side
    177,643.10x = 23,796,588,807.74
  5. Step 5: Solve for x
    x = 23,796,588,807.74/177,643.10
  6. Step 6: Final answer
    x = 133,957.29

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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.