Home / 157,051.34-216,681.95-89,062.98

Finding the Fourth Proportional to 157,051.34, 216,681.95 and 89,062.98

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Solution

The fourth proportional to 157,051.34, 216,681.95 and 89,062.98 is: 122,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,051.34 : 216,681.95 = 89,062.98 : x
  2. Step 2: Convert to fraction form
    157,051.34/216,681.95 = 89,062.98/x
  3. Step 3: Cross multiply
    157,051.34x = 216,681.95 × 89,062.98
  4. Step 4: Simplify right side
    157,051.34x = 19,298,340,179.21
  5. Step 5: Solve for x
    x = 19,298,340,179.21/157,051.34
  6. Step 6: Final answer
    x = 122,879.18

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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.