Home / 153,151.59-211,318.23-89,477.10

Finding the Fourth Proportional to 153,151.59, 211,318.23 and 89,477.10

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Solution

The fourth proportional to 153,151.59, 211,318.23 and 89,477.10 is: 123,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,151.59 : 211,318.23 = 89,477.10 : x
  2. Step 2: Convert to fraction form
    153,151.59/211,318.23 = 89,477.10/x
  3. Step 3: Cross multiply
    153,151.59x = 211,318.23 × 89,477.10
  4. Step 4: Simplify right side
    153,151.59x = 18,908,142,397.53
  5. Step 5: Solve for x
    x = 18,908,142,397.53/153,151.59
  6. Step 6: Final answer
    x = 123,460.31

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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.