Home / 163,671.50-245,283.27-123,657.59

Finding the Fourth Proportional to 163,671.50, 245,283.27 and 123,657.59

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Solution

The fourth proportional to 163,671.50, 245,283.27 and 123,657.59 is: 185,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,671.50 : 245,283.27 = 123,657.59 : x
  2. Step 2: Convert to fraction form
    163,671.50/245,283.27 = 123,657.59/x
  3. Step 3: Cross multiply
    163,671.50x = 245,283.27 × 123,657.59
  4. Step 4: Simplify right side
    163,671.50x = 30,331,136,809.10
  5. Step 5: Solve for x
    x = 30,331,136,809.10/163,671.50
  6. Step 6: Final answer
    x = 185,317.16

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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.