Home / 191,511.40-286,586.70-166,822.60

Finding the Fourth Proportional to 191,511.40, 286,586.70 and 166,822.60

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Solution

The fourth proportional to 191,511.40, 286,586.70 and 166,822.60 is: 249,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,511.40 : 286,586.70 = 166,822.60 : x
  2. Step 2: Convert to fraction form
    191,511.40/286,586.70 = 166,822.60/x
  3. Step 3: Cross multiply
    191,511.40x = 286,586.70 × 166,822.60
  4. Step 4: Simplify right side
    191,511.40x = 47,809,138,419.42
  5. Step 5: Solve for x
    x = 47,809,138,419.42/191,511.40
  6. Step 6: Final answer
    x = 249,641.21

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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.