Home / 235,837.10-325,461.02-128,413.01

Finding the Fourth Proportional to 235,837.10, 325,461.02 and 128,413.01

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Solution

The fourth proportional to 235,837.10, 325,461.02 and 128,413.01 is: 177,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,837.10 : 325,461.02 = 128,413.01 : x
  2. Step 2: Convert to fraction form
    235,837.10/325,461.02 = 128,413.01/x
  3. Step 3: Cross multiply
    235,837.10x = 325,461.02 × 128,413.01
  4. Step 4: Simplify right side
    235,837.10x = 41,793,427,909.60
  5. Step 5: Solve for x
    x = 41,793,427,909.60/235,837.10
  6. Step 6: Final answer
    x = 177,213.12

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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.