Home / 191,530.40-286,615.20-166,841.60

Finding the Fourth Proportional to 191,530.40, 286,615.20 and 166,841.60

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Solution

The fourth proportional to 191,530.40, 286,615.20 and 166,841.60 is: 249,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,530.40 : 286,615.20 = 166,841.60 : x
  2. Step 2: Convert to fraction form
    191,530.40/286,615.20 = 166,841.60/x
  3. Step 3: Cross multiply
    191,530.40x = 286,615.20 × 166,841.60
  4. Step 4: Simplify right side
    191,530.40x = 47,819,338,552.32
  5. Step 5: Solve for x
    x = 47,819,338,552.32/191,530.40
  6. Step 6: Final answer
    x = 249,669.71

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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.