Home / 125,514.30-188,271.45-97,520.70

Finding the Fourth Proportional to 125,514.30, 188,271.45 and 97,520.70

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Solution

The fourth proportional to 125,514.30, 188,271.45 and 97,520.70 is: 146,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.30 : 188,271.45 = 97,520.70 : x
  2. Step 2: Convert to fraction form
    125,514.30/188,271.45 = 97,520.70/x
  3. Step 3: Cross multiply
    125,514.30x = 188,271.45 × 97,520.70
  4. Step 4: Simplify right side
    125,514.30x = 18,360,363,594.02
  5. Step 5: Solve for x
    x = 18,360,363,594.02/125,514.30
  6. Step 6: Final answer
    x = 146,281.05

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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.