Home / 186,637.72-257,562.84-101,756.20

Finding the Fourth Proportional to 186,637.72, 257,562.84 and 101,756.20

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Solution

The fourth proportional to 186,637.72, 257,562.84 and 101,756.20 is: 140,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,637.72 : 257,562.84 = 101,756.20 : x
  2. Step 2: Convert to fraction form
    186,637.72/257,562.84 = 101,756.20/x
  3. Step 3: Cross multiply
    186,637.72x = 257,562.84 × 101,756.20
  4. Step 4: Simplify right side
    186,637.72x = 26,208,615,859.61
  5. Step 5: Solve for x
    x = 26,208,615,859.61/186,637.72
  6. Step 6: Final answer
    x = 140,425.08

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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.