Home / 124,111.16-171,276.36-70,399.80

Finding the Fourth Proportional to 124,111.16, 171,276.36 and 70,399.80

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Solution

The fourth proportional to 124,111.16, 171,276.36 and 70,399.80 is: 97,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111.16 : 171,276.36 = 70,399.80 : x
  2. Step 2: Convert to fraction form
    124,111.16/171,276.36 = 70,399.80/x
  3. Step 3: Cross multiply
    124,111.16x = 171,276.36 × 70,399.80
  4. Step 4: Simplify right side
    124,111.16x = 12,057,821,488.73
  5. Step 5: Solve for x
    x = 12,057,821,488.73/124,111.16
  6. Step 6: Final answer
    x = 97,153.40

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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.