Home / 102,547.10-153,820.65-97,708.70

Finding the Fourth Proportional to 102,547.10, 153,820.65 and 97,708.70

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Solution

The fourth proportional to 102,547.10, 153,820.65 and 97,708.70 is: 146,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.10 : 153,820.65 = 97,708.70 : x
  2. Step 2: Convert to fraction form
    102,547.10/153,820.65 = 97,708.70/x
  3. Step 3: Cross multiply
    102,547.10x = 153,820.65 × 97,708.70
  4. Step 4: Simplify right side
    102,547.10x = 15,029,615,744.66
  5. Step 5: Solve for x
    x = 15,029,615,744.66/102,547.10
  6. Step 6: Final answer
    x = 146,563.05

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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.