Home / 139,430.04-209,123.19-60,523.08

Finding the Fourth Proportional to 139,430.04, 209,123.19 and 60,523.08

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Solution

The fourth proportional to 139,430.04, 209,123.19 and 60,523.08 is: 90,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,430.04 : 209,123.19 = 60,523.08 : x
  2. Step 2: Convert to fraction form
    139,430.04/209,123.19 = 60,523.08/x
  3. Step 3: Cross multiply
    139,430.04x = 209,123.19 × 60,523.08
  4. Step 4: Simplify right side
    139,430.04x = 12,656,779,558.23
  5. Step 5: Solve for x
    x = 12,656,779,558.23/139,430.04
  6. Step 6: Final answer
    x = 90,775.13

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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.