Home / 109,184.40-150,673.50-61,436.79

Finding the Fourth Proportional to 109,184.40, 150,673.50 and 61,436.79

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Solution

The fourth proportional to 109,184.40, 150,673.50 and 61,436.79 is: 84,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,184.40 : 150,673.50 = 61,436.79 : x
  2. Step 2: Convert to fraction form
    109,184.40/150,673.50 = 61,436.79/x
  3. Step 3: Cross multiply
    109,184.40x = 150,673.50 × 61,436.79
  4. Step 4: Simplify right side
    109,184.40x = 9,256,896,178.07
  5. Step 5: Solve for x
    x = 9,256,896,178.07/109,184.40
  6. Step 6: Final answer
    x = 84,782.22

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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.