Home / 124,312.20-186,614.10-123,437.40

Finding the Fourth Proportional to 124,312.20, 186,614.10 and 123,437.40

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Solution

The fourth proportional to 124,312.20, 186,614.10 and 123,437.40 is: 185,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312.20 : 186,614.10 = 123,437.40 : x
  2. Step 2: Convert to fraction form
    124,312.20/186,614.10 = 123,437.40/x
  3. Step 3: Cross multiply
    124,312.20x = 186,614.10 × 123,437.40
  4. Step 4: Simplify right side
    124,312.20x = 23,035,159,307.34
  5. Step 5: Solve for x
    x = 23,035,159,307.34/124,312.20
  6. Step 6: Final answer
    x = 185,300.87

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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.