Home / 166,413.35-249,617.70-155,775.30

Finding the Fourth Proportional to 166,413.35, 249,617.70 and 155,775.30

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Solution

The fourth proportional to 166,413.35, 249,617.70 and 155,775.30 is: 233,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,413.35 : 249,617.70 = 155,775.30 : x
  2. Step 2: Convert to fraction form
    166,413.35/249,617.70 = 155,775.30/x
  3. Step 3: Cross multiply
    166,413.35x = 249,617.70 × 155,775.30
  4. Step 4: Simplify right side
    166,413.35x = 38,884,272,102.81
  5. Step 5: Solve for x
    x = 38,884,272,102.81/166,413.35
  6. Step 6: Final answer
    x = 233,660.78

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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.