Home / 113,703.04-156,904.38-63,392.32

Finding the Fourth Proportional to 113,703.04, 156,904.38 and 63,392.32

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Solution

The fourth proportional to 113,703.04, 156,904.38 and 63,392.32 is: 87,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,703.04 : 156,904.38 = 63,392.32 : x
  2. Step 2: Convert to fraction form
    113,703.04/156,904.38 = 63,392.32/x
  3. Step 3: Cross multiply
    113,703.04x = 156,904.38 × 63,392.32
  4. Step 4: Simplify right side
    113,703.04x = 9,946,532,666.36
  5. Step 5: Solve for x
    x = 9,946,532,666.36/113,703.04
  6. Step 6: Final answer
    x = 87,478.16

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1.5x scale

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.