Home / 191,490.40-286,555.20-166,801.60

Finding the Fourth Proportional to 191,490.40, 286,555.20 and 166,801.60

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Solution

The fourth proportional to 191,490.40, 286,555.20 and 166,801.60 is: 249,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,490.40 : 286,555.20 = 166,801.60 : x
  2. Step 2: Convert to fraction form
    191,490.40/286,555.20 = 166,801.60/x
  3. Step 3: Cross multiply
    191,490.40x = 286,555.20 × 166,801.60
  4. Step 4: Simplify right side
    191,490.40x = 47,797,865,848.32
  5. Step 5: Solve for x
    x = 47,797,865,848.32/191,490.40
  6. Step 6: Final answer
    x = 249,609.72

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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.