Home / 153,925.53-212,415.22-85,943.66

Finding the Fourth Proportional to 153,925.53, 212,415.22 and 85,943.66

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Solution

The fourth proportional to 153,925.53, 212,415.22 and 85,943.66 is: 118,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,925.53 : 212,415.22 = 85,943.66 : x
  2. Step 2: Convert to fraction form
    153,925.53/212,415.22 = 85,943.66/x
  3. Step 3: Cross multiply
    153,925.53x = 212,415.22 × 85,943.66
  4. Step 4: Simplify right side
    153,925.53x = 18,255,741,446.51
  5. Step 5: Solve for x
    x = 18,255,741,446.51/153,925.53
  6. Step 6: Final answer
    x = 118,601.13

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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.