Home / 153,232.20-211,459.86-89,557.20

Finding the Fourth Proportional to 153,232.20, 211,459.86 and 89,557.20

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Solution

The fourth proportional to 153,232.20, 211,459.86 and 89,557.20 is: 123,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232.20 : 211,459.86 = 89,557.20 : x
  2. Step 2: Convert to fraction form
    153,232.20/211,459.86 = 89,557.20/x
  3. Step 3: Cross multiply
    153,232.20x = 211,459.86 × 89,557.20
  4. Step 4: Simplify right side
    153,232.20x = 18,937,752,973.99
  5. Step 5: Solve for x
    x = 18,937,752,973.99/153,232.20
  6. Step 6: Final answer
    x = 123,588.60

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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.