Home / 112,570.00-155,331.39-64,178.17

Finding the Fourth Proportional to 112,570.00, 155,331.39 and 64,178.17

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Solution

The fourth proportional to 112,570.00, 155,331.39 and 64,178.17 is: 88,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.00 : 155,331.39 = 64,178.17 : x
  2. Step 2: Convert to fraction form
    112,570.00/155,331.39 = 64,178.17/x
  3. Step 3: Cross multiply
    112,570.00x = 155,331.39 × 64,178.17
  4. Step 4: Simplify right side
    112,570.00x = 9,968,884,501.42
  5. Step 5: Solve for x
    x = 9,968,884,501.42/112,570.00
  6. Step 6: Final answer
    x = 88,557.20

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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.