Home / 161,709.12-242,674.38-56,528.28

Finding the Fourth Proportional to 161,709.12, 242,674.38 and 56,528.28

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Solution

The fourth proportional to 161,709.12, 242,674.38 and 56,528.28 is: 84,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,709.12 : 242,674.38 = 56,528.28 : x
  2. Step 2: Convert to fraction form
    161,709.12/242,674.38 = 56,528.28/x
  3. Step 3: Cross multiply
    161,709.12x = 242,674.38 × 56,528.28
  4. Step 4: Simplify right side
    161,709.12x = 13,717,965,301.47
  5. Step 5: Solve for x
    x = 13,717,965,301.47/161,709.12
  6. Step 6: Final answer
    x = 84,831.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.