Home / 125,368.02-173,002.23-68,778.18

Finding the Fourth Proportional to 125,368.02, 173,002.23 and 68,778.18

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Solution

The fourth proportional to 125,368.02, 173,002.23 and 68,778.18 is: 94,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,368.02 : 173,002.23 = 68,778.18 : x
  2. Step 2: Convert to fraction form
    125,368.02/173,002.23 = 68,778.18/x
  3. Step 3: Cross multiply
    125,368.02x = 173,002.23 × 68,778.18
  4. Step 4: Simplify right side
    125,368.02x = 11,898,778,515.34
  5. Step 5: Solve for x
    x = 11,898,778,515.34/125,368.02
  6. Step 6: Final answer
    x = 94,910.80

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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.