Home / 122,335.60-183,503.40-103,673.20

Finding the Fourth Proportional to 122,335.60, 183,503.40 and 103,673.20

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Solution

The fourth proportional to 122,335.60, 183,503.40 and 103,673.20 is: 155,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,335.60 : 183,503.40 = 103,673.20 : x
  2. Step 2: Convert to fraction form
    122,335.60/183,503.40 = 103,673.20/x
  3. Step 3: Cross multiply
    122,335.60x = 183,503.40 × 103,673.20
  4. Step 4: Simplify right side
    122,335.60x = 19,024,384,688.88
  5. Step 5: Solve for x
    x = 19,024,384,688.88/122,335.60
  6. Step 6: Final answer
    x = 155,509.80

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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.