Home / 125,097.84-187,666.20-42,011.28

Finding the Fourth Proportional to 125,097.84, 187,666.20 and 42,011.28

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Solution

The fourth proportional to 125,097.84, 187,666.20 and 42,011.28 is: 63,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,097.84 : 187,666.20 = 42,011.28 : x
  2. Step 2: Convert to fraction form
    125,097.84/187,666.20 = 42,011.28/x
  3. Step 3: Cross multiply
    125,097.84x = 187,666.20 × 42,011.28
  4. Step 4: Simplify right side
    125,097.84x = 7,884,097,274.74
  5. Step 5: Solve for x
    x = 7,884,097,274.74/125,097.84
  6. Step 6: Final answer
    x = 63,023.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.