Home / 124,111.66-171,277.05-70,400.30

Finding the Fourth Proportional to 124,111.66, 171,277.05 and 70,400.30

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Solution

The fourth proportional to 124,111.66, 171,277.05 and 70,400.30 is: 97,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111.66 : 171,277.05 = 70,400.30 : x
  2. Step 2: Convert to fraction form
    124,111.66/171,277.05 = 70,400.30/x
  3. Step 3: Cross multiply
    124,111.66x = 171,277.05 × 70,400.30
  4. Step 4: Simplify right side
    124,111.66x = 12,057,955,703.12
  5. Step 5: Solve for x
    x = 12,057,955,703.12/124,111.66
  6. Step 6: Final answer
    x = 97,154.09

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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.