Home / 145,095.03-217,762.56-74,070.18

Finding the Fourth Proportional to 145,095.03, 217,762.56 and 74,070.18

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Solution

The fourth proportional to 145,095.03, 217,762.56 and 74,070.18 is: 111,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.03 : 217,762.56 = 74,070.18 : x
  2. Step 2: Convert to fraction form
    145,095.03/217,762.56 = 74,070.18/x
  3. Step 3: Cross multiply
    145,095.03x = 217,762.56 × 74,070.18
  4. Step 4: Simplify right side
    145,095.03x = 16,129,712,016.46
  5. Step 5: Solve for x
    x = 16,129,712,016.46/145,095.03
  6. Step 6: Final answer
    x = 111,166.54

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1.5x scale

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.