Home / 174,111.80-261,216.30-85,368.20

Finding the Fourth Proportional to 174,111.80, 261,216.30 and 85,368.20

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Solution

The fourth proportional to 174,111.80, 261,216.30 and 85,368.20 is: 128,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,111.80 : 261,216.30 = 85,368.20 : x
  2. Step 2: Convert to fraction form
    174,111.80/261,216.30 = 85,368.20/x
  3. Step 3: Cross multiply
    174,111.80x = 261,216.30 × 85,368.20
  4. Step 4: Simplify right side
    174,111.80x = 22,299,565,341.66
  5. Step 5: Solve for x
    x = 22,299,565,341.66/174,111.80
  6. Step 6: Final answer
    x = 128,076.13

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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.