Home / 118,263.40-163,202.32-64,547.95

Finding the Fourth Proportional to 118,263.40, 163,202.32 and 64,547.95

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Solution

The fourth proportional to 118,263.40, 163,202.32 and 64,547.95 is: 89,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.40 : 163,202.32 = 64,547.95 : x
  2. Step 2: Convert to fraction form
    118,263.40/163,202.32 = 64,547.95/x
  3. Step 3: Cross multiply
    118,263.40x = 163,202.32 × 64,547.95
  4. Step 4: Simplify right side
    118,263.40x = 10,534,374,621.87
  5. Step 5: Solve for x
    x = 10,534,374,621.87/118,263.40
  6. Step 6: Final answer
    x = 89,075.53

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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.