Home / 368,923.80-553,031.46-235,427.16

Finding the Fourth Proportional to 368,923.80, 553,031.46 and 235,427.16

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Solution

The fourth proportional to 368,923.80, 553,031.46 and 235,427.16 is: 352,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,923.80 : 553,031.46 = 235,427.16 : x
  2. Step 2: Convert to fraction form
    368,923.80/553,031.46 = 235,427.16/x
  3. Step 3: Cross multiply
    368,923.80x = 553,031.46 × 235,427.16
  4. Step 4: Simplify right side
    368,923.80x = 130,198,626,018.45
  5. Step 5: Solve for x
    x = 130,198,626,018.45/368,923.80
  6. Step 6: Final answer
    x = 352,914.68

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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.