Home / 247,598.36-341,685.60-134,421.20

Finding the Fourth Proportional to 247,598.36, 341,685.60 and 134,421.20

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Solution

The fourth proportional to 247,598.36, 341,685.60 and 134,421.20 is: 185,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,598.36 : 341,685.60 = 134,421.20 : x
  2. Step 2: Convert to fraction form
    247,598.36/341,685.60 = 134,421.20/x
  3. Step 3: Cross multiply
    247,598.36x = 341,685.60 × 134,421.20
  4. Step 4: Simplify right side
    247,598.36x = 45,929,788,374.72
  5. Step 5: Solve for x
    x = 45,929,788,374.72/247,598.36
  6. Step 6: Final answer
    x = 185,501.18

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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.