Home / 155,547.60-233,321.40-105,781.20

Finding the Fourth Proportional to 155,547.60, 233,321.40 and 105,781.20

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Solution

The fourth proportional to 155,547.60, 233,321.40 and 105,781.20 is: 158,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,547.60 : 233,321.40 = 105,781.20 : x
  2. Step 2: Convert to fraction form
    155,547.60/233,321.40 = 105,781.20/x
  3. Step 3: Cross multiply
    155,547.60x = 233,321.40 × 105,781.20
  4. Step 4: Simplify right side
    155,547.60x = 24,681,017,677.68
  5. Step 5: Solve for x
    x = 24,681,017,677.68/155,547.60
  6. Step 6: Final answer
    x = 158,671.80

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1.5x scale

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.