Home / 167,113.76-230,646.47-99,168.20

Finding the Fourth Proportional to 167,113.76, 230,646.47 and 99,168.20

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Solution

The fourth proportional to 167,113.76, 230,646.47 and 99,168.20 is: 136,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,113.76 : 230,646.47 = 99,168.20 : x
  2. Step 2: Convert to fraction form
    167,113.76/230,646.47 = 99,168.20/x
  3. Step 3: Cross multiply
    167,113.76x = 230,646.47 × 99,168.20
  4. Step 4: Simplify right side
    167,113.76x = 22,872,793,617.18
  5. Step 5: Solve for x
    x = 22,872,793,617.18/167,113.76
  6. Step 6: Final answer
    x = 136,869.60

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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.