Home / 157,582.18-217,445.07-89,606.98

Finding the Fourth Proportional to 157,582.18, 217,445.07 and 89,606.98

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Solution

The fourth proportional to 157,582.18, 217,445.07 and 89,606.98 is: 123,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,582.18 : 217,445.07 = 89,606.98 : x
  2. Step 2: Convert to fraction form
    157,582.18/217,445.07 = 89,606.98/x
  3. Step 3: Cross multiply
    157,582.18x = 217,445.07 × 89,606.98
  4. Step 4: Simplify right side
    157,582.18x = 19,484,596,038.59
  5. Step 5: Solve for x
    x = 19,484,596,038.59/157,582.18
  6. Step 6: Final answer
    x = 123,647.20

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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.