Home / 369,087.60-553,631.40-132,454.20

Finding the Fourth Proportional to 369,087.60, 553,631.40 and 132,454.20

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Solution

The fourth proportional to 369,087.60, 553,631.40 and 132,454.20 is: 198,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,087.60 : 553,631.40 = 132,454.20 : x
  2. Step 2: Convert to fraction form
    369,087.60/553,631.40 = 132,454.20/x
  3. Step 3: Cross multiply
    369,087.60x = 553,631.40 × 132,454.20
  4. Step 4: Simplify right side
    369,087.60x = 73,330,804,181.88
  5. Step 5: Solve for x
    x = 73,330,804,181.88/369,087.60
  6. Step 6: Final answer
    x = 198,681.30

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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.