Home / 118,142.16-163,075.68-70,410.48

Finding the Fourth Proportional to 118,142.16, 163,075.68 and 70,410.48

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Solution

The fourth proportional to 118,142.16, 163,075.68 and 70,410.48 is: 97,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,142.16 : 163,075.68 = 70,410.48 : x
  2. Step 2: Convert to fraction form
    118,142.16/163,075.68 = 70,410.48/x
  3. Step 3: Cross multiply
    118,142.16x = 163,075.68 × 70,410.48
  4. Step 4: Simplify right side
    118,142.16x = 11,482,236,905.13
  5. Step 5: Solve for x
    x = 11,482,236,905.13/118,142.16
  6. Step 6: Final answer
    x = 97,190.00

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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.