Home / 122,484.40-183,726.60-39,386.80

Finding the Fourth Proportional to 122,484.40, 183,726.60 and 39,386.80

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Solution

The fourth proportional to 122,484.40, 183,726.60 and 39,386.80 is: 59,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484.40 : 183,726.60 = 39,386.80 : x
  2. Step 2: Convert to fraction form
    122,484.40/183,726.60 = 39,386.80/x
  3. Step 3: Cross multiply
    122,484.40x = 183,726.60 × 39,386.80
  4. Step 4: Simplify right side
    122,484.40x = 7,236,402,848.88
  5. Step 5: Solve for x
    x = 7,236,402,848.88/122,484.40
  6. Step 6: Final answer
    x = 59,080.20

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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.