Home / 180,622.63-249,248.26-100,045.45

Finding the Fourth Proportional to 180,622.63, 249,248.26 and 100,045.45

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Solution

The fourth proportional to 180,622.63, 249,248.26 and 100,045.45 is: 138,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,622.63 : 249,248.26 = 100,045.45 : x
  2. Step 2: Convert to fraction form
    180,622.63/249,248.26 = 100,045.45/x
  3. Step 3: Cross multiply
    180,622.63x = 249,248.26 × 100,045.45
  4. Step 4: Simplify right side
    180,622.63x = 24,936,154,333.42
  5. Step 5: Solve for x
    x = 24,936,154,333.42/180,622.63
  6. Step 6: Final answer
    x = 138,056.65

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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.