Home / 157,362.81-217,095.66-109,643.83

Finding the Fourth Proportional to 157,362.81, 217,095.66 and 109,643.83

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Solution

The fourth proportional to 157,362.81, 217,095.66 and 109,643.83 is: 151,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,362.81 : 217,095.66 = 109,643.83 : x
  2. Step 2: Convert to fraction form
    157,362.81/217,095.66 = 109,643.83/x
  3. Step 3: Cross multiply
    157,362.81x = 217,095.66 × 109,643.83
  4. Step 4: Simplify right side
    157,362.81x = 23,803,199,638.78
  5. Step 5: Solve for x
    x = 23,803,199,638.78/157,362.81
  6. Step 6: Final answer
    x = 151,263.18

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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.