Home / 152,916.10-211,024.21-85,848.10

Finding the Fourth Proportional to 152,916.10, 211,024.21 and 85,848.10

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Solution

The fourth proportional to 152,916.10, 211,024.21 and 85,848.10 is: 118,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,916.10 : 211,024.21 = 85,848.10 : x
  2. Step 2: Convert to fraction form
    152,916.10/211,024.21 = 85,848.10/x
  3. Step 3: Cross multiply
    152,916.10x = 211,024.21 × 85,848.10
  4. Step 4: Simplify right side
    152,916.10x = 18,116,027,482.50
  5. Step 5: Solve for x
    x = 18,116,027,482.50/152,916.10
  6. Step 6: Final answer
    x = 118,470.37

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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.