Home / 175,479.11-242,172.25-98,970.29

Finding the Fourth Proportional to 175,479.11, 242,172.25 and 98,970.29

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Solution

The fourth proportional to 175,479.11, 242,172.25 and 98,970.29 is: 136,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,479.11 : 242,172.25 = 98,970.29 : x
  2. Step 2: Convert to fraction form
    175,479.11/242,172.25 = 98,970.29/x
  3. Step 3: Cross multiply
    175,479.11x = 242,172.25 × 98,970.29
  4. Step 4: Simplify right side
    175,479.11x = 23,967,857,812.45
  5. Step 5: Solve for x
    x = 23,967,857,812.45/175,479.11
  6. Step 6: Final answer
    x = 136,585.25

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1.5x scale

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.