Home / 207,686.98-286,608.02-112,193.67

Finding the Fourth Proportional to 207,686.98, 286,608.02 and 112,193.67

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Solution

The fourth proportional to 207,686.98, 286,608.02 and 112,193.67 is: 154,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,686.98 : 286,608.02 = 112,193.67 : x
  2. Step 2: Convert to fraction form
    207,686.98/286,608.02 = 112,193.67/x
  3. Step 3: Cross multiply
    207,686.98x = 286,608.02 × 112,193.67
  4. Step 4: Simplify right side
    207,686.98x = 32,155,605,615.23
  5. Step 5: Solve for x
    x = 32,155,605,615.23/207,686.98
  6. Step 6: Final answer
    x = 154,827.26

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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.