Home / 114,440.84-157,925.94-64,138.76

Finding the Fourth Proportional to 114,440.84, 157,925.94 and 64,138.76

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Solution

The fourth proportional to 114,440.84, 157,925.94 and 64,138.76 is: 88,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,440.84 : 157,925.94 = 64,138.76 : x
  2. Step 2: Convert to fraction form
    114,440.84/157,925.94 = 64,138.76/x
  3. Step 3: Cross multiply
    114,440.84x = 157,925.94 × 64,138.76
  4. Step 4: Simplify right side
    114,440.84x = 10,129,173,963.43
  5. Step 5: Solve for x
    x = 10,129,173,963.43/114,440.84
  6. Step 6: Final answer
    x = 88,510.13

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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.