Home / 213,980.14-295,288.98-118,484.78

Finding the Fourth Proportional to 213,980.14, 295,288.98 and 118,484.78

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Solution

The fourth proportional to 213,980.14, 295,288.98 and 118,484.78 is: 163,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,980.14 : 295,288.98 = 118,484.78 : x
  2. Step 2: Convert to fraction form
    213,980.14/295,288.98 = 118,484.78/x
  3. Step 3: Cross multiply
    213,980.14x = 295,288.98 × 118,484.78
  4. Step 4: Simplify right side
    213,980.14x = 34,987,249,831.72
  5. Step 5: Solve for x
    x = 34,987,249,831.72/213,980.14
  6. Step 6: Final answer
    x = 163,507.00

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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.