Home / 268,547.03-370,587.50-147,688.31

Finding the Fourth Proportional to 268,547.03, 370,587.50 and 147,688.31

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Solution

The fourth proportional to 268,547.03, 370,587.50 and 147,688.31 is: 203,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,547.03 : 370,587.50 = 147,688.31 : x
  2. Step 2: Convert to fraction form
    268,547.03/370,587.50 = 147,688.31/x
  3. Step 3: Cross multiply
    268,547.03x = 370,587.50 × 147,688.31
  4. Step 4: Simplify right side
    268,547.03x = 54,731,440,843.68
  5. Step 5: Solve for x
    x = 54,731,440,843.68/268,547.03
  6. Step 6: Final answer
    x = 203,805.80

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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.