Home / 119,363.29-164,666.12-71,533.60

Finding the Fourth Proportional to 119,363.29, 164,666.12 and 71,533.60

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Solution

The fourth proportional to 119,363.29, 164,666.12 and 71,533.60 is: 98,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,363.29 : 164,666.12 = 71,533.60 : x
  2. Step 2: Convert to fraction form
    119,363.29/164,666.12 = 71,533.60/x
  3. Step 3: Cross multiply
    119,363.29x = 164,666.12 × 71,533.60
  4. Step 4: Simplify right side
    119,363.29x = 11,779,159,592.30
  5. Step 5: Solve for x
    x = 11,779,159,592.30/119,363.29
  6. Step 6: Final answer
    x = 98,683.27

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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.