Home / 163,612.38-245,340-97,061.16

Finding the Fourth Proportional to 163,612.38, 245,340 and 97,061.16

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Solution

The fourth proportional to 163,612.38, 245,340 and 97,061.16 is: 145,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,612.38 : 245,340 = 97,061.16 : x
  2. Step 2: Convert to fraction form
    163,612.38/245,340 = 97,061.16/x
  3. Step 3: Cross multiply
    163,612.38x = 245,340 × 97,061.16
  4. Step 4: Simplify right side
    163,612.38x = 23,812,984,994.40
  5. Step 5: Solve for x
    x = 23,812,984,994.40/163,612.38
  6. Step 6: Final answer
    x = 145,545.13

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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.