Home / 172,386.27-237,758.16-117,970.59

Finding the Fourth Proportional to 172,386.27, 237,758.16 and 117,970.59

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Solution

The fourth proportional to 172,386.27, 237,758.16 and 117,970.59 is: 162,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,386.27 : 237,758.16 = 117,970.59 : x
  2. Step 2: Convert to fraction form
    172,386.27/237,758.16 = 117,970.59/x
  3. Step 3: Cross multiply
    172,386.27x = 237,758.16 × 117,970.59
  4. Step 4: Simplify right side
    172,386.27x = 28,048,470,412.51
  5. Step 5: Solve for x
    x = 28,048,470,412.51/172,386.27
  6. Step 6: Final answer
    x = 162,707.10

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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.