Home / 313,095.07-432,071.36-169,855.10

Finding the Fourth Proportional to 313,095.07, 432,071.36 and 169,855.10

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Solution

The fourth proportional to 313,095.07, 432,071.36 and 169,855.10 is: 234,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,095.07 : 432,071.36 = 169,855.10 : x
  2. Step 2: Convert to fraction form
    313,095.07/432,071.36 = 169,855.10/x
  3. Step 3: Cross multiply
    313,095.07x = 432,071.36 × 169,855.10
  4. Step 4: Simplify right side
    313,095.07x = 73,389,525,478.16
  5. Step 5: Solve for x
    x = 73,389,525,478.16/313,095.07
  6. Step 6: Final answer
    x = 234,400.13

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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.