Home / 124,106.01-171,275.64-75,703.59

Finding the Fourth Proportional to 124,106.01, 171,275.64 and 75,703.59

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Solution

The fourth proportional to 124,106.01, 171,275.64 and 75,703.59 is: 104,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,106.01 : 171,275.64 = 75,703.59 : x
  2. Step 2: Convert to fraction form
    124,106.01/171,275.64 = 75,703.59/x
  3. Step 3: Cross multiply
    124,106.01x = 171,275.64 × 75,703.59
  4. Step 4: Simplify right side
    124,106.01x = 12,966,180,827.55
  5. Step 5: Solve for x
    x = 12,966,180,827.55/124,106.01
  6. Step 6: Final answer
    x = 104,476.66

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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.