Home / 125,300.18-172,746.96-99,544.18

Finding the Fourth Proportional to 125,300.18, 172,746.96 and 99,544.18

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Solution

The fourth proportional to 125,300.18, 172,746.96 and 99,544.18 is: 137,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,300.18 : 172,746.96 = 99,544.18 : x
  2. Step 2: Convert to fraction form
    125,300.18/172,746.96 = 99,544.18/x
  3. Step 3: Cross multiply
    125,300.18x = 172,746.96 × 99,544.18
  4. Step 4: Simplify right side
    125,300.18x = 17,195,954,480.69
  5. Step 5: Solve for x
    x = 17,195,954,480.69/125,300.18
  6. Step 6: Final answer
    x = 137,238.07

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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.