Home / 638,124.06-957,151.53-194,857.50

Finding the Fourth Proportional to 638,124.06, 957,151.53 and 194,857.50

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Solution

The fourth proportional to 638,124.06, 957,151.53 and 194,857.50 is: 292,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,124.06 : 957,151.53 = 194,857.50 : x
  2. Step 2: Convert to fraction form
    638,124.06/957,151.53 = 194,857.50/x
  3. Step 3: Cross multiply
    638,124.06x = 957,151.53 × 194,857.50
  4. Step 4: Simplify right side
    638,124.06x = 186,508,154,256.98
  5. Step 5: Solve for x
    x = 186,508,154,256.98/638,124.06
  6. Step 6: Final answer
    x = 292,275.70

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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.