Home / 207,678.05-286,595.87-112,184.76

Finding the Fourth Proportional to 207,678.05, 286,595.87 and 112,184.76

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Solution

The fourth proportional to 207,678.05, 286,595.87 and 112,184.76 is: 154,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,678.05 : 286,595.87 = 112,184.76 : x
  2. Step 2: Convert to fraction form
    207,678.05/286,595.87 = 112,184.76/x
  3. Step 3: Cross multiply
    207,678.05x = 286,595.87 × 112,184.76
  4. Step 4: Simplify right side
    207,678.05x = 32,151,688,332.02
  5. Step 5: Solve for x
    x = 32,151,688,332.02/207,678.05
  6. Step 6: Final answer
    x = 154,815.06

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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.