Home / 157,587.13-217,461.40-89,594.51

Finding the Fourth Proportional to 157,587.13, 217,461.40 and 89,594.51

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Solution

The fourth proportional to 157,587.13, 217,461.40 and 89,594.51 is: 123,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.13 : 217,461.40 = 89,594.51 : x
  2. Step 2: Convert to fraction form
    157,587.13/217,461.40 = 89,594.51/x
  3. Step 3: Cross multiply
    157,587.13x = 217,461.40 × 89,594.51
  4. Step 4: Simplify right side
    157,587.13x = 19,483,347,576.91
  5. Step 5: Solve for x
    x = 19,483,347,576.91/157,587.13
  6. Step 6: Final answer
    x = 123,635.40

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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.