Home / 186,303.34-257,269.41-118,342.21

Finding the Fourth Proportional to 186,303.34, 257,269.41 and 118,342.21

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Solution

The fourth proportional to 186,303.34, 257,269.41 and 118,342.21 is: 163,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,303.34 : 257,269.41 = 118,342.21 : x
  2. Step 2: Convert to fraction form
    186,303.34/257,269.41 = 118,342.21/x
  3. Step 3: Cross multiply
    186,303.34x = 257,269.41 × 118,342.21
  4. Step 4: Simplify right side
    186,303.34x = 30,445,830,544.80
  5. Step 5: Solve for x
    x = 30,445,830,544.80/186,303.34
  6. Step 6: Final answer
    x = 163,420.74

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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.