Home / 313,746.45-432,973.46-170,506.51

Finding the Fourth Proportional to 313,746.45, 432,973.46 and 170,506.51

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Solution

The fourth proportional to 313,746.45, 432,973.46 and 170,506.51 is: 235,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,746.45 : 432,973.46 = 170,506.51 : x
  2. Step 2: Convert to fraction form
    313,746.45/432,973.46 = 170,506.51/x
  3. Step 3: Cross multiply
    313,746.45x = 432,973.46 × 170,506.51
  4. Step 4: Simplify right side
    313,746.45x = 73,824,793,587.22
  5. Step 5: Solve for x
    x = 73,824,793,587.22/313,746.45
  6. Step 6: Final answer
    x = 235,300.81

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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.