Home / 213,718.09-294,931.23-118,231.24

Finding the Fourth Proportional to 213,718.09, 294,931.23 and 118,231.24

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Solution

The fourth proportional to 213,718.09, 294,931.23 and 118,231.24 is: 163,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718.09 : 294,931.23 = 118,231.24 : x
  2. Step 2: Convert to fraction form
    213,718.09/294,931.23 = 118,231.24/x
  3. Step 3: Cross multiply
    213,718.09x = 294,931.23 × 118,231.24
  4. Step 4: Simplify right side
    213,718.09x = 34,870,085,037.63
  5. Step 5: Solve for x
    x = 34,870,085,037.63/213,718.09
  6. Step 6: Final answer
    x = 163,159.26

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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.