Home / 255,041.03-382,547.66-77,534.18

Finding the Fourth Proportional to 255,041.03, 382,547.66 and 77,534.18

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Solution

The fourth proportional to 255,041.03, 382,547.66 and 77,534.18 is: 116,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,041.03 : 382,547.66 = 77,534.18 : x
  2. Step 2: Convert to fraction form
    255,041.03/382,547.66 = 77,534.18/x
  3. Step 3: Cross multiply
    255,041.03x = 382,547.66 × 77,534.18
  4. Step 4: Simplify right side
    255,041.03x = 29,660,516,828.61
  5. Step 5: Solve for x
    x = 29,660,516,828.61/255,041.03
  6. Step 6: Final answer
    x = 116,297.04

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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.