Home / 157,602.24-217,638.36-101,111.76

Finding the Fourth Proportional to 157,602.24, 217,638.36 and 101,111.76

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Solution

The fourth proportional to 157,602.24, 217,638.36 and 101,111.76 is: 139,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,602.24 : 217,638.36 = 101,111.76 : x
  2. Step 2: Convert to fraction form
    157,602.24/217,638.36 = 101,111.76/x
  3. Step 3: Cross multiply
    157,602.24x = 217,638.36 × 101,111.76
  4. Step 4: Simplify right side
    157,602.24x = 22,005,797,623.11
  5. Step 5: Solve for x
    x = 22,005,797,623.11/157,602.24
  6. Step 6: Final answer
    x = 139,628.71

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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.