Home / 102,547.35-153,552.51-82,450.04

Finding the Fourth Proportional to 102,547.35, 153,552.51 and 82,450.04

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Solution

The fourth proportional to 102,547.35, 153,552.51 and 82,450.04 is: 123,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.35 : 153,552.51 = 82,450.04 : x
  2. Step 2: Convert to fraction form
    102,547.35/153,552.51 = 82,450.04/x
  3. Step 3: Cross multiply
    102,547.35x = 153,552.51 × 82,450.04
  4. Step 4: Simplify right side
    102,547.35x = 12,660,409,823.84
  5. Step 5: Solve for x
    x = 12,660,409,823.84/102,547.35
  6. Step 6: Final answer
    x = 123,459.16

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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.