Home / 165,306.98-247,900.40-70,547.23

Finding the Fourth Proportional to 165,306.98, 247,900.40 and 70,547.23

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Solution

The fourth proportional to 165,306.98, 247,900.40 and 70,547.23 is: 105,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,306.98 : 247,900.40 = 70,547.23 : x
  2. Step 2: Convert to fraction form
    165,306.98/247,900.40 = 70,547.23/x
  3. Step 3: Cross multiply
    165,306.98x = 247,900.40 × 70,547.23
  4. Step 4: Simplify right side
    165,306.98x = 17,488,686,060.36
  5. Step 5: Solve for x
    x = 17,488,686,060.36/165,306.98
  6. Step 6: Final answer
    x = 105,795.21

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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.