Home / 145,635.37-218,351.52-64,538.23

Finding the Fourth Proportional to 145,635.37, 218,351.52 and 64,538.23

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Solution

The fourth proportional to 145,635.37, 218,351.52 and 64,538.23 is: 96,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,635.37 : 218,351.52 = 64,538.23 : x
  2. Step 2: Convert to fraction form
    145,635.37/218,351.52 = 64,538.23/x
  3. Step 3: Cross multiply
    145,635.37x = 218,351.52 × 64,538.23
  4. Step 4: Simplify right side
    145,635.37x = 14,092,020,970.71
  5. Step 5: Solve for x
    x = 14,092,020,970.71/145,635.37
  6. Step 6: Final answer
    x = 96,762.35

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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.