Home / 286,755.12-430,298.64-118,244.04

Finding the Fourth Proportional to 286,755.12, 430,298.64 and 118,244.04

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Solution

The fourth proportional to 286,755.12, 430,298.64 and 118,244.04 is: 177,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,755.12 : 430,298.64 = 118,244.04 : x
  2. Step 2: Convert to fraction form
    286,755.12/430,298.64 = 118,244.04/x
  3. Step 3: Cross multiply
    286,755.12x = 430,298.64 × 118,244.04
  4. Step 4: Simplify right side
    286,755.12x = 50,880,249,600.11
  5. Step 5: Solve for x
    x = 50,880,249,600.11/286,755.12
  6. Step 6: Final answer
    x = 177,434.49

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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.