Home / 202,763.02-279,788.54-112,106.74

Finding the Fourth Proportional to 202,763.02, 279,788.54 and 112,106.74

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Solution

The fourth proportional to 202,763.02, 279,788.54 and 112,106.74 is: 154,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,763.02 : 279,788.54 = 112,106.74 : x
  2. Step 2: Convert to fraction form
    202,763.02/279,788.54 = 112,106.74/x
  3. Step 3: Cross multiply
    202,763.02x = 279,788.54 × 112,106.74
  4. Step 4: Simplify right side
    202,763.02x = 31,366,181,108.76
  5. Step 5: Solve for x
    x = 31,366,181,108.76/202,763.02
  6. Step 6: Final answer
    x = 154,693.80

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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.