Home / 638,123.06-957,150.03-194,856.50

Finding the Fourth Proportional to 638,123.06, 957,150.03 and 194,856.50

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Solution

The fourth proportional to 638,123.06, 957,150.03 and 194,856.50 is: 292,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,123.06 : 957,150.03 = 194,856.50 : x
  2. Step 2: Convert to fraction form
    638,123.06/957,150.03 = 194,856.50/x
  3. Step 3: Cross multiply
    638,123.06x = 957,150.03 × 194,856.50
  4. Step 4: Simplify right side
    638,123.06x = 186,506,904,820.70
  5. Step 5: Solve for x
    x = 186,506,904,820.70/638,123.06
  6. Step 6: Final answer
    x = 292,274.20

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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.