Home / 186,330.40-257,136.96-101,448.08

Finding the Fourth Proportional to 186,330.40, 257,136.96 and 101,448.08

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Solution

The fourth proportional to 186,330.40, 257,136.96 and 101,448.08 is: 139,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,330.40 : 257,136.96 = 101,448.08 : x
  2. Step 2: Convert to fraction form
    186,330.40/257,136.96 = 101,448.08/x
  3. Step 3: Cross multiply
    186,330.40x = 257,136.96 × 101,448.08
  4. Step 4: Simplify right side
    186,330.40x = 26,086,050,889.04
  5. Step 5: Solve for x
    x = 26,086,050,889.04/186,330.40
  6. Step 6: Final answer
    x = 139,998.90

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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.