Home / 170,140.25-234,807.10-98,521.53

Finding the Fourth Proportional to 170,140.25, 234,807.10 and 98,521.53

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Solution

The fourth proportional to 170,140.25, 234,807.10 and 98,521.53 is: 135,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,140.25 : 234,807.10 = 98,521.53 : x
  2. Step 2: Convert to fraction form
    170,140.25/234,807.10 = 98,521.53/x
  3. Step 3: Cross multiply
    170,140.25x = 234,807.10 × 98,521.53
  4. Step 4: Simplify right side
    170,140.25x = 23,133,554,746.86
  5. Step 5: Solve for x
    x = 23,133,554,746.86/170,140.25
  6. Step 6: Final answer
    x = 135,967.56

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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.