Home / 180,211.48-248,690.20-99,641.08

Finding the Fourth Proportional to 180,211.48, 248,690.20 and 99,641.08

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Solution

The fourth proportional to 180,211.48, 248,690.20 and 99,641.08 is: 137,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,211.48 : 248,690.20 = 99,641.08 : x
  2. Step 2: Convert to fraction form
    180,211.48/248,690.20 = 99,641.08/x
  3. Step 3: Cross multiply
    180,211.48x = 248,690.20 × 99,641.08
  4. Step 4: Simplify right side
    180,211.48x = 24,779,760,113.42
  5. Step 5: Solve for x
    x = 24,779,760,113.42/180,211.48
  6. Step 6: Final answer
    x = 137,503.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.