Home / 207,652.51-286,560.67-112,159.21

Finding the Fourth Proportional to 207,652.51, 286,560.67 and 112,159.21

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Solution

The fourth proportional to 207,652.51, 286,560.67 and 112,159.21 is: 154,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,652.51 : 286,560.67 = 112,159.21 : x
  2. Step 2: Convert to fraction form
    207,652.51/286,560.67 = 112,159.21/x
  3. Step 3: Cross multiply
    207,652.51x = 286,560.67 × 112,159.21
  4. Step 4: Simplify right side
    207,652.51x = 32,140,417,577.77
  5. Step 5: Solve for x
    x = 32,140,417,577.77/207,652.51
  6. Step 6: Final answer
    x = 154,779.82

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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.