Home / 118,362.02-163,338.75-64,647.05

Finding the Fourth Proportional to 118,362.02, 163,338.75 and 64,647.05

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Solution

The fourth proportional to 118,362.02, 163,338.75 and 64,647.05 is: 89,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,362.02 : 163,338.75 = 64,647.05 : x
  2. Step 2: Convert to fraction form
    118,362.02/163,338.75 = 64,647.05/x
  3. Step 3: Cross multiply
    118,362.02x = 163,338.75 × 64,647.05
  4. Step 4: Simplify right side
    118,362.02x = 10,559,367,521.49
  5. Step 5: Solve for x
    x = 10,559,367,521.49/118,362.02
  6. Step 6: Final answer
    x = 89,212.47

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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.