Home / 117,316.08-175,329.72-85,792.32

Finding the Fourth Proportional to 117,316.08, 175,329.72 and 85,792.32

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Solution

The fourth proportional to 117,316.08, 175,329.72 and 85,792.32 is: 128,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.08 : 175,329.72 = 85,792.32 : x
  2. Step 2: Convert to fraction form
    117,316.08/175,329.72 = 85,792.32/x
  3. Step 3: Cross multiply
    117,316.08x = 175,329.72 × 85,792.32
  4. Step 4: Simplify right side
    117,316.08x = 15,041,943,443.75
  5. Step 5: Solve for x
    x = 15,041,943,443.75/117,316.08
  6. Step 6: Final answer
    x = 128,217.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.