Home / 180,666.10-249,312.08-100,094.86

Finding the Fourth Proportional to 180,666.10, 249,312.08 and 100,094.86

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Solution

The fourth proportional to 180,666.10, 249,312.08 and 100,094.86 is: 138,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,666.10 : 249,312.08 = 100,094.86 : x
  2. Step 2: Convert to fraction form
    180,666.10/249,312.08 = 100,094.86/x
  3. Step 3: Cross multiply
    180,666.10x = 249,312.08 × 100,094.86
  4. Step 4: Simplify right side
    180,666.10x = 24,954,855,996.87
  5. Step 5: Solve for x
    x = 24,954,855,996.87/180,666.10
  6. Step 6: Final answer
    x = 138,126.95

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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.