Home / 170,730.22-256,123.05-64,122.40

Finding the Fourth Proportional to 170,730.22, 256,123.05 and 64,122.40

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Solution

The fourth proportional to 170,730.22, 256,123.05 and 64,122.40 is: 96,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,730.22 : 256,123.05 = 64,122.40 : x
  2. Step 2: Convert to fraction form
    170,730.22/256,123.05 = 64,122.40/x
  3. Step 3: Cross multiply
    170,730.22x = 256,123.05 × 64,122.40
  4. Step 4: Simplify right side
    170,730.22x = 16,423,224,661.32
  5. Step 5: Solve for x
    x = 16,423,224,661.32/170,730.22
  6. Step 6: Final answer
    x = 96,194.01

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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.