Home / 125,592.40-188,271.48-42,428.24

Finding the Fourth Proportional to 125,592.40, 188,271.48 and 42,428.24

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Solution

The fourth proportional to 125,592.40, 188,271.48 and 42,428.24 is: 63,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,592.40 : 188,271.48 = 42,428.24 : x
  2. Step 2: Convert to fraction form
    125,592.40/188,271.48 = 42,428.24/x
  3. Step 3: Cross multiply
    125,592.40x = 188,271.48 × 42,428.24
  4. Step 4: Simplify right side
    125,592.40x = 7,988,027,538.60
  5. Step 5: Solve for x
    x = 7,988,027,538.60/125,592.40
  6. Step 6: Final answer
    x = 63,602.79

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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.