Home / 235,774.02-325,368.19-128,344.86

Finding the Fourth Proportional to 235,774.02, 325,368.19 and 128,344.86

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Solution

The fourth proportional to 235,774.02, 325,368.19 and 128,344.86 is: 177,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,774.02 : 325,368.19 = 128,344.86 : x
  2. Step 2: Convert to fraction form
    235,774.02/325,368.19 = 128,344.86/x
  3. Step 3: Cross multiply
    235,774.02x = 325,368.19 × 128,344.86
  4. Step 4: Simplify right side
    235,774.02x = 41,759,333,955.43
  5. Step 5: Solve for x
    x = 41,759,333,955.43/235,774.02
  6. Step 6: Final answer
    x = 177,115.93

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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.