Home / 124,145.64-171,324.86-70,432.92

Finding the Fourth Proportional to 124,145.64, 171,324.86 and 70,432.92

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Solution

The fourth proportional to 124,145.64, 171,324.86 and 70,432.92 is: 97,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.64 : 171,324.86 = 70,432.92 : x
  2. Step 2: Convert to fraction form
    124,145.64/171,324.86 = 70,432.92/x
  3. Step 3: Cross multiply
    124,145.64x = 171,324.86 × 70,432.92
  4. Step 4: Simplify right side
    124,145.64x = 12,066,909,806.23
  5. Step 5: Solve for x
    x = 12,066,909,806.23/124,145.64
  6. Step 6: Final answer
    x = 97,199.63

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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.