Home / 191,526.40-286,609.20-166,837.60

Finding the Fourth Proportional to 191,526.40, 286,609.20 and 166,837.60

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Solution

The fourth proportional to 191,526.40, 286,609.20 and 166,837.60 is: 249,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,526.40 : 286,609.20 = 166,837.60 : x
  2. Step 2: Convert to fraction form
    191,526.40/286,609.20 = 166,837.60/x
  3. Step 3: Cross multiply
    191,526.40x = 286,609.20 × 166,837.60
  4. Step 4: Simplify right side
    191,526.40x = 47,817,191,065.92
  5. Step 5: Solve for x
    x = 47,817,191,065.92/191,526.40
  6. Step 6: Final answer
    x = 249,663.71

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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.