Home / 155,973.15-233,959.73-85,114.35

Finding the Fourth Proportional to 155,973.15, 233,959.73 and 85,114.35

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Solution

The fourth proportional to 155,973.15, 233,959.73 and 85,114.35 is: 127,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,973.15 : 233,959.73 = 85,114.35 : x
  2. Step 2: Convert to fraction form
    155,973.15/233,959.73 = 85,114.35/x
  3. Step 3: Cross multiply
    155,973.15x = 233,959.73 × 85,114.35
  4. Step 4: Simplify right side
    155,973.15x = 19,913,329,919.55
  5. Step 5: Solve for x
    x = 19,913,329,919.55/155,973.15
  6. Step 6: Final answer
    x = 127,671.53

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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.