Home / 125,271.34-172,881.51-74,314.24

Finding the Fourth Proportional to 125,271.34, 172,881.51 and 74,314.24

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Solution

The fourth proportional to 125,271.34, 172,881.51 and 74,314.24 is: 102,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,271.34 : 172,881.51 = 74,314.24 : x
  2. Step 2: Convert to fraction form
    125,271.34/172,881.51 = 74,314.24/x
  3. Step 3: Cross multiply
    125,271.34x = 172,881.51 × 74,314.24
  4. Step 4: Simplify right side
    125,271.34x = 12,847,557,593.50
  5. Step 5: Solve for x
    x = 12,847,557,593.50/125,271.34
  6. Step 6: Final answer
    x = 102,557.84

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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.