Home / 202,238.15-279,088.32-111,594.05

Finding the Fourth Proportional to 202,238.15, 279,088.32 and 111,594.05

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Solution

The fourth proportional to 202,238.15, 279,088.32 and 111,594.05 is: 153,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.15 : 279,088.32 = 111,594.05 : x
  2. Step 2: Convert to fraction form
    202,238.15/279,088.32 = 111,594.05/x
  3. Step 3: Cross multiply
    202,238.15x = 279,088.32 × 111,594.05
  4. Step 4: Simplify right side
    202,238.15x = 31,144,594,711.16
  5. Step 5: Solve for x
    x = 31,144,594,711.16/202,238.15
  6. Step 6: Final answer
    x = 153,999.60

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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.