Home / 118,253.02-163,192.65-64,541.50

Finding the Fourth Proportional to 118,253.02, 163,192.65 and 64,541.50

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Solution

The fourth proportional to 118,253.02, 163,192.65 and 64,541.50 is: 89,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253.02 : 163,192.65 = 64,541.50 : x
  2. Step 2: Convert to fraction form
    118,253.02/163,192.65 = 64,541.50/x
  3. Step 3: Cross multiply
    118,253.02x = 163,192.65 × 64,541.50
  4. Step 4: Simplify right side
    118,253.02x = 10,532,698,419.98
  5. Step 5: Solve for x
    x = 10,532,698,419.98/118,253.02
  6. Step 6: Final answer
    x = 89,069.17

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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.