Home / 145,116.36-217,674.54-51,622.92

Finding the Fourth Proportional to 145,116.36, 217,674.54 and 51,622.92

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Solution

The fourth proportional to 145,116.36, 217,674.54 and 51,622.92 is: 77,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116.36 : 217,674.54 = 51,622.92 : x
  2. Step 2: Convert to fraction form
    145,116.36/217,674.54 = 51,622.92/x
  3. Step 3: Cross multiply
    145,116.36x = 217,674.54 × 51,622.92
  4. Step 4: Simplify right side
    145,116.36x = 11,236,995,364.46
  5. Step 5: Solve for x
    x = 11,236,995,364.46/145,116.36
  6. Step 6: Final answer
    x = 77,434.38

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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.