Home / 186,413.28-257,250.72-101,530.08

Finding the Fourth Proportional to 186,413.28, 257,250.72 and 101,530.08

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Solution

The fourth proportional to 186,413.28, 257,250.72 and 101,530.08 is: 140,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,413.28 : 257,250.72 = 101,530.08 : x
  2. Step 2: Convert to fraction form
    186,413.28/257,250.72 = 101,530.08/x
  3. Step 3: Cross multiply
    186,413.28x = 257,250.72 × 101,530.08
  4. Step 4: Simplify right side
    186,413.28x = 26,118,686,181.66
  5. Step 5: Solve for x
    x = 26,118,686,181.66/186,413.28
  6. Step 6: Final answer
    x = 140,111.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.