Home / 194,799.60-292,199.40-128,444.40

Finding the Fourth Proportional to 194,799.60, 292,199.40 and 128,444.40

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Solution

The fourth proportional to 194,799.60, 292,199.40 and 128,444.40 is: 192,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,799.60 : 292,199.40 = 128,444.40 : x
  2. Step 2: Convert to fraction form
    194,799.60/292,199.40 = 128,444.40/x
  3. Step 3: Cross multiply
    194,799.60x = 292,199.40 × 128,444.40
  4. Step 4: Simplify right side
    194,799.60x = 37,531,376,613.36
  5. Step 5: Solve for x
    x = 37,531,376,613.36/194,799.60
  6. Step 6: Final answer
    x = 192,666.60

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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.