Home / 292,903.03-439,354.56-105,870.79

Finding the Fourth Proportional to 292,903.03, 439,354.56 and 105,870.79

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Solution

The fourth proportional to 292,903.03, 439,354.56 and 105,870.79 is: 158,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,903.03 : 439,354.56 = 105,870.79 : x
  2. Step 2: Convert to fraction form
    292,903.03/439,354.56 = 105,870.79/x
  3. Step 3: Cross multiply
    292,903.03x = 439,354.56 × 105,870.79
  4. Step 4: Simplify right side
    292,903.03x = 46,514,812,160.53
  5. Step 5: Solve for x
    x = 46,514,812,160.53/292,903.03
  6. Step 6: Final answer
    x = 158,806.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.