Home / 209,444.32-289,039.08-113,957.20

Finding the Fourth Proportional to 209,444.32, 289,039.08 and 113,957.20

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Solution

The fourth proportional to 209,444.32, 289,039.08 and 113,957.20 is: 157,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,444.32 : 289,039.08 = 113,957.20 : x
  2. Step 2: Convert to fraction form
    209,444.32/289,039.08 = 113,957.20/x
  3. Step 3: Cross multiply
    209,444.32x = 289,039.08 × 113,957.20
  4. Step 4: Simplify right side
    209,444.32x = 32,938,084,247.38
  5. Step 5: Solve for x
    x = 32,938,084,247.38/209,444.32
  6. Step 6: Final answer
    x = 157,264.16

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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.