Home / 472,935.20-709,409.04-157,392.16

Finding the Fourth Proportional to 472,935.20, 709,409.04 and 157,392.16

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Solution

The fourth proportional to 472,935.20, 709,409.04 and 157,392.16 is: 236,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,935.20 : 709,409.04 = 157,392.16 : x
  2. Step 2: Convert to fraction form
    472,935.20/709,409.04 = 157,392.16/x
  3. Step 3: Cross multiply
    472,935.20x = 709,409.04 × 157,392.16
  4. Step 4: Simplify right side
    472,935.20x = 111,655,421,129.13
  5. Step 5: Solve for x
    x = 111,655,421,129.13/472,935.20
  6. Step 6: Final answer
    x = 236,090.32

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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.