Home / 118,817.36-178,226.04-39,931.59

Finding the Fourth Proportional to 118,817.36, 178,226.04 and 39,931.59

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Solution

The fourth proportional to 118,817.36, 178,226.04 and 39,931.59 is: 59,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,817.36 : 178,226.04 = 39,931.59 : x
  2. Step 2: Convert to fraction form
    118,817.36/178,226.04 = 39,931.59/x
  3. Step 3: Cross multiply
    118,817.36x = 178,226.04 × 39,931.59
  4. Step 4: Simplify right side
    118,817.36x = 7,116,849,156.60
  5. Step 5: Solve for x
    x = 7,116,849,156.60/118,817.36
  6. Step 6: Final answer
    x = 59,897.39

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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.