Home / 125,476.02-173,080.89-74,455.20

Finding the Fourth Proportional to 125,476.02, 173,080.89 and 74,455.20

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Solution

The fourth proportional to 125,476.02, 173,080.89 and 74,455.20 is: 102,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,476.02 : 173,080.89 = 74,455.20 : x
  2. Step 2: Convert to fraction form
    125,476.02/173,080.89 = 74,455.20/x
  3. Step 3: Cross multiply
    125,476.02x = 173,080.89 × 74,455.20
  4. Step 4: Simplify right side
    125,476.02x = 12,886,772,281.13
  5. Step 5: Solve for x
    x = 12,886,772,281.13/125,476.02
  6. Step 6: Final answer
    x = 102,703.07

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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.