Home / 154,009.59-212,528.82-86,024.55

Finding the Fourth Proportional to 154,009.59, 212,528.82 and 86,024.55

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Solution

The fourth proportional to 154,009.59, 212,528.82 and 86,024.55 is: 118,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,009.59 : 212,528.82 = 86,024.55 : x
  2. Step 2: Convert to fraction form
    154,009.59/212,528.82 = 86,024.55/x
  3. Step 3: Cross multiply
    154,009.59x = 212,528.82 × 86,024.55
  4. Step 4: Simplify right side
    154,009.59x = 18,282,696,102.53
  5. Step 5: Solve for x
    x = 18,282,696,102.53/154,009.59
  6. Step 6: Final answer
    x = 118,711.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.