Home / 208,091.19-287,166.36-112,598.88

Finding the Fourth Proportional to 208,091.19, 287,166.36 and 112,598.88

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Solution

The fourth proportional to 208,091.19, 287,166.36 and 112,598.88 is: 155,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,091.19 : 287,166.36 = 112,598.88 : x
  2. Step 2: Convert to fraction form
    208,091.19/287,166.36 = 112,598.88/x
  3. Step 3: Cross multiply
    208,091.19x = 287,166.36 × 112,598.88
  4. Step 4: Simplify right side
    208,091.19x = 32,334,610,509.68
  5. Step 5: Solve for x
    x = 32,334,610,509.68/208,091.19
  6. Step 6: Final answer
    x = 155,386.73

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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.